{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Unlike the reported ones , the present system forms sheetlike morphology in nonpolar solvent mixtures , giant vesicles in polar solvent mixtures , and lamellar or hexagonal columnar phases in single solvents ."}
{"Chemical": []}